Groundwork

Groceries and convenience · County · Illinois

Grocery and convenience stores in Warren County, IL

The grocery and convenience stores in Warren County, IL, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 48 out of 100: Lower middle

Ranked #1,273 of 2,402 scored counties
#59 of 85 scored counties in Illinois

Listings
11
6 chain locations (55%)
Official establishments
5
Businesses with payroll, 2023
Household spending a year
$39.4M
On groceries · $5,808 a household
Spending per listing
$3.6M
6% above the U.S.
Listings per 10k households
16.2
13% below the U.S.
Population, 2025
16,222
−3.6% since 2020

See the grocery and convenience stores around any address in Warren County

The site report maps the grocery and convenience stores on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Warren County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

Map listings as of September 2026 show 11 grocery and convenience stores in Warren County. Of those, 6 are chain locations, or 55%, against 42% across the U.S. That comes to 16.2 for every 10,000 households, 13% below the U.S. rate of 18.7.

At $5,808 per household (8% below the U.S. average), households in Warren County spend about $39.4M a year on groceries. That works out to $3.6M per store, 6% above the U.S. figure of $3.4M.

Official counts show 5 businesses with payroll classed as grocery and convenience stores in Warren County in 2023. That is one for every 1,357 households, against one for every 1,293 across the U.S.

Between 2020 and 2025, the population of Warren County declined 3.6%, against +3.1% for the U.S. Warren County scores 48 (lower middle) on the Groundwork market score for grocery and convenience stores, ranking #1,273 of 2,402 scored counties and #59 of 85 scored counties in Illinois.

How Warren County compares

The same measures for Illinois and the whole U.S. Spending per listing divides a year of household spending on all groceries by the grocery and convenience stores counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Grocery and convenience stores in Warren County, IL compared with Illinois and the U.S.
MeasureWarren CountyIllinoisU.S.
Listings per 10k households16.215.018.7
Spending per listing$3.6M$4.2M$3.4M
Households per official establishment1,3571,4421,293
Official establishment growth, 2019–2023n/a+4.8%+7.2%
Population growth, 2020–2025−3.6%−0.6%+3.1%
Spending per household on groceries$5,808$6,290$6,319
Median household income$67,385$83,390$80,734
Groundwork market score4860

Official counts and lending

Businesses

Official establishments, 2019 to 2023
7 → 5
Employees, 2023
163
Annual payroll, 2023
$3.1M
One-person businesses, 2023
0Businesses with no payroll
Map listings, September 2026
116 chain locations
Listings at the U.S. rate for this spending
12The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
0
Amount
$0

SBA-backed loans to businesses classed as grocery and convenience stores in Warren County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.

Population and households in Warren County

Population, 2025 estimate
16,222−3.6% since 2020
Households
6,787
Median age
40.6
Homes lived in by their owners
75%
Vehicles per household
1.8
Land area
542 sq. mi.
People per square mile
30
Median household income
$67,385+33.9% vs. 2015–2019, before inflation
Average household income
$86,803
Median home value
$105,000
Jobs located here
5,893
Daytime population
15,276Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Warren County?

These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the grocery and convenience stores on map listings by name and distance.

Or open the report at the center of Warren County. Signed out, you see a blurred preview; on an account, each report is one action.

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Grocery and convenience stores across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for grocery and convenience stores, numbered among those based in Illinois, with Warren County marked.

Top counties in Illinois

Counties in Illinois ranked for grocery and convenience stores by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Kendall County, IL944610.1$6.8M+9.9%#14 of 2,402
2Grundy County, IL833316.0$4M+2.9%#135 of 2,402
3Will County, IL8130712.6$5.4M+2.2%#156 of 2,402
4McHenry County, IL8014212.1$5.6M+2.5%#176 of 2,402
5Monroe County, IL792215.9$4.2M−0.3%#204 of 2,402
6Boone County, IL77189.2$6.8M+0.4%#234 of 2,402
7Kane County, IL7626014.1$4.8M+1.8%#261 of 2,402
8Tazewell County, IL757213.3$4.6M−0.9%#287 of 2,402
9DeKalb County, IL755614.2$4.2M+1.5%#292 of 2,402
10Lake County, IL7433913.1$5.3M+0.8%#309 of 2,402
59Warren County, IL481116.2$3.6M−3.6%#1,273 of 2,402

Other business types in Warren County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many grocery and convenience stores are in Warren County, IL?

There are 11 grocery and convenience stores on map listings in Warren County as of September 2026. 6 of them (55%) are chain locations. The listings count grocery, convenience and specialty food stores. Official counts show 5 businesses with payroll classed as grocery and convenience stores in 2023.

How much do households in Warren County, IL spend on groceries?

About $39.4M a year, or $5,808 per household. That is 8% below the U.S. average (an index of 92, where 100 is the U.S. average). Spread across the 11 grocery and convenience stores on map listings, it comes to $3.6M per store. It is estimated from the incomes of the 6,787 households in Warren County and national spending patterns by income.

How does Warren County, IL compare with the U.S. for grocery and convenience stores?

Warren County has 16.2 grocery and convenience stores per 10,000 households, 13% below the U.S. rate of 18.7. Spending per store is $3.6M, 6% above the U.S. figure of $3.4M. At the national ratio of grocery and convenience stores to household spending, Warren County would have about 12, against 11 on map listings. There is one business with payroll in the industry for every 1,357 households, against one for every 1,293 across the U.S.

How fast is Warren County, IL growing?

Population estimates put Warren County at 16,222 people in 2025, down 3.6% since 2020, against +3.1% for the U.S. It has 6,787 households. Median household income in Warren County is $67,385, 17% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 33.9%, before inflation.

What is the Groundwork market score?

The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. Warren County scores 48 for grocery and convenience stores (lower middle), #1,273 of 2,402 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Warren County. It maps the grocery and convenience stores on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.

How the score works · Top markets for grocery and convenience stores · All 56 business types in Warren County

Screening a site or an acquisition in Warren County?

A site report maps the competitors on map listings near an address and sizes the households and spending around it.

The button opens the report at the center of Warren County. Signed out, you see a blurred preview; on an account, each report is one action.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are estimates for research only. Not investment or real estate advice.